US Patent Issued to SBI Pharmaceuticals, National Center for Child Health and Development on Feb. 24 for "Pharmaceutical composition for enhancing antitumor effect by immune checkpoint inhibitor" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,332, issued on Feb. 24, was assigned to SBI Pharmaceuticals Co. Ltd. (Tokyo) and National Center for Child Health and Development (Tokyo).

"Pharmaceutical composition for enhancing antitumor effect by immune checkpoint inhibitor" was invented by Tohru Tanaka (Tokyo), Hidenori Ito (Tokyo) and Ko Rii (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The object of the invention is to provide a pharmaceutical composition for enhancing the antitumor effect by an immune checkpoint inhibitor. Provided is a pharmaceutical composition for enhancing the antitumor effect by an immune checkpoint inhibitor comprising 5-aminolevulinic acids (ALAs) as the acti...